Caption: Khushab nuclear reactor, Pakistan. Satellite image of the Khushab plutonium production plant. It is alleged that Khushab is used to produce plutonium and tritium for advanced nuclear warheads. The white dome of the reactor is seen here, lower centre, in the middle of the circular rings. Pakistan is believed to have an arsenal of nuclear weapons as a deterrent against neighbouring countries such as India. This image was taken by the Ikonos satellite, the first commercial satellite to collect data at one-metre resolution. Image taken on 18 February 2002.